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选取12个日本甜柿品种的果实性状、SPAD、果实品质等12项性状指标,运用主成分分析法综合评价日本甜柿不同品种的性状表现.结果表明:选取的4个有效主成分反映出了全部指标79.934 6%的信息,计算出各主成分的因子得分,构建了综合评价模型,得出了12个日本甜柿品种性状表现的综合得分,筛选出了阳丰、富有和次郎3个综合性状表现较好的日本甜柿品种.该主成分分析法评价结果具有全面性和科学性,与生产实际表现一致.
The 12 traits of fruits such as fruit traits, SPAD and fruit quality of 12 Japanese persimmon cultivars were selected, and the performance of different varieties of Japanese persimmon was evaluated by principal component analysis.The results showed that the four valid principal components reflected All indicators of 79.934 6% of the information to calculate the factor scores of the main components to build a comprehensive evaluation model, 12 Japanese sweet persimmon cultivars performance traits of the composite score, screened Yang Feng, Fu and Jiro three comprehensive Good performance traits of Japanese persimmon varieties.The principal component analysis evaluation results are comprehensive and scientific, consistent with the actual production performance.